Photos of strange clouds. Where can I find them?

So here are the top 5 strangest pictures of clouds I've ever seen! (sources cited below)

(Lenticular UFO, Argentina)

(Lenticular cloud over Mt. Fuji, Japan)

(Mammatus clouds, Texas)

(Asperatus Formation, New Zealand)

(Morning Glory rails, Australia)

And I've got two websites for you if you'd love to see more crazy cloud action:

Some seriously strange cloud photos: http://matadornetwork.com/bnt/60-insane-cloud-formations-from-around-the-world-pics/

The Cloud Appreciation Society (bet you wouldn't have guessed that existed!):

http://cloudappreciationsociety.org/